Pith Number

pith:LSOU6G3D

pith:2023:LSOU6G3D7HZF5YO6ZQDGAAGNW2

not attested not anchored not stored refs pending

Improving students' code correctness and test completeness by informal specifications

Arno Broeders, Harrie Passier, Lex Bijlsma, Ruud Hermans, Sylvia Stuurman

arxiv:2309.02221 v1 · 2023-09-05 · cs.SE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LSOU6G3D7HZF5YO6ZQDGAAGNW2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Guided Object-Oriented Development

Receipt and verification

First computed	2026-07-05T06:47:57.570377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c9d4f1b63f9f25ee1decc066000cdb6b2a898599043f6707612ab79fdd354cf

Aliases

arxiv: 2309.02221 · arxiv_version: 2309.02221v1 · doi: 10.48550/arxiv.2309.02221 · pith_short_12: LSOU6G3D7HZF · pith_short_16: LSOU6G3D7HZF5YO6 · pith_short_8: LSOU6G3D

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/LSOU6G3D7HZF5YO6ZQDGAAGNW2 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5c9d4f1b63f9f25ee1decc066000cdb6b2a898599043f6707612ab79fdd354cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96e1a09e46f497556ea66095e5d13853e7b2e0343b81f5061acc994a14544285",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2023-09-05T13:24:43Z",
    "title_canon_sha256": "286076188c0d2604367efa9511cf0b0ebbeab98717da00bd744303c03e3137eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.02221",
    "kind": "arxiv",
    "version": 1
  }
}